Gap-Filling for the High-Resolution PET Sinograms With a Dedicated DCT-Domain Filter.
Uygar TunaSari PeltonenUlla RuotsalainenPublished in: IEEE Trans. Medical Imaging (2010)
Keyphrases
- dct domain
- image reconstruction
- high resolution
- super resolution
- positron emission tomography
- pet images
- low resolution
- low frequency
- high frequency
- spatial domain
- post processing
- transform domain
- human visual system
- dct coefficients
- digital video
- discrete cosine transform
- compressed domain
- ct images
- magnetic resonance images
- mr images
- remote sensing
- brain imaging
- imaging modalities
- motion estimation
- magnetic resonance imaging
- magnetic resonance
- image processing
- reference frame
- high quality
- image compression
- region growing
- image quality
- medical images
- preprocessing
- face recognition
- low pass filter
- image blocks
- visual quality
- multiresolution
- image registration